Home / 49,935.68-68,910-28,714.44

Finding the Fourth Proportional to 49,935.68, 68,910 and 28,714.44

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Solution

The fourth proportional to 49,935.68, 68,910 and 28,714.44 is: 39,625.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,935.68 : 68,910 = 28,714.44 : x
  2. Step 2: Convert to fraction form
    49,935.68/68,910 = 28,714.44/x
  3. Step 3: Cross multiply
    49,935.68x = 68,910 × 28,714.44
  4. Step 4: Simplify right side
    49,935.68x = 1,978,712,060.40
  5. Step 5: Solve for x
    x = 1,978,712,060.40/49,935.68
  6. Step 6: Final answer
    x = 39,625.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.